TENAVOLTS Rechargeable AA Lithium Battery with USB Charger, 1.5V 2800mWh Pre-Charged Batteries, Constant Voltage Output, 1.8H Fast Charge,1000 Cycles, Long Lasting 10 Year Life, 4 Counts : Amazon.com.au: Electronics
7.4V 1500MAH LITHIUM RECHARGEABLE BATTERY PACK FOR UDI-009 V2